Big-eared Hopping Mouse vs Big Finner

Notomys macrotis compared with Balaenoptera physalus

Key Differences

• Big-eared Hopping Mouse is Extinct while Big Finner is Endangered.

Taxonomic Classification

Rank	Big-eared Hopping Mouse	Big Finner
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class same	Mammalia (Mammals)	Mammalia (Mammals)
Order	Rodentia (Rodents)	Cetacea (Whales & Dolphins)
Family	Muridae (Mice & Rats)	Balaenopteridae (Rorquals)
Genus	Notomys	Balaenoptera (Rorquals)
Species	Notomys macrotis	Balaenoptera physalus

Evolutionary Relationship

Big-eared Hopping Mouse and Big Finner share a common ancestor at the Class level: Mammalia. (Mammals)

Conservation Status

Big-eared Hopping Mouse

EX — Extinct

Big Finner

EN — Endangered

Physical Characteristics

Attribute	Big-eared Hopping Mouse	Big Finner
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Big-eared Hopping Mouse

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Big Finner

Habitat

Found across multiple habitat types including tropical and subtropical dry broadleaf forests, flooded grasslands and savannas, and montane grasslands and shrublands, among 4 distinct biome types within the Neotropic biogeographic realm.

Range

Widely distributed across Asia (Taiwan), Europe (5 countries), and South America (Colombia, Ecuador, Venezuela). Currently classified as Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

Big-eared Hopping Mouse

The Big-eared Hopping Mouse (Notomys macrotis) is a species in the genus Notomys. It is currently classified as Extinct on the IUCN Red List. Typically found in diverse terrestrial and aquatic ecosystems.

Big Finner

Big Finner (Balaenoptera physalus) is classified as Endangered (EN) on the IUCN Red List. At high risk of extinction in the wild, with significant population decline and ongoing threats to survival.